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Date: Wed, 15 Feb 2017 21:38:51 -0700 (MST)
From: Juno <ilovejuno@naver.com>
To: users@camel.apache.org
Message-ID: <1487219931946-5793945.post@n5.nabble.com>
Subject: activemq+camel encrypt/decrypt byte message Problem
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archived-at: Thu, 16 Feb 2017 08:06:58 -0000

hi~ everyone
I am a user using camel 2.18.2.

Currently I am testing the encryption/decryption of messages using two PCs.
The encryption algorithm uses AES/CBC/PKCS5Padding (256bit).

Here is the test procedure.
<crypto id="aes-256-cbc-encryption" algorithm="AES/CBC/PKCS5Padding"
keyRef="aesCbcKey" initVectorRef="initializationVector" inline="true"
shouldAppendHMAC="true" />

<route>
	<from uri="file:E:\log\camel\data\send\test\org?noop=true"/>
	<to uri="activemq:queue:OUTBOUND_CRYPTO_LOCALORG" />
	<marshal ref="aes-256-cbc-encryption"/>
	<to uri="activemq:queue:OUTBOUND_CRYPTO_LOCAL" />
</route>
<route>
	<from uri="activemq:queue:OUTBOUND_CRYPTO_LOCAL" />
	<to
uri="file:E:\log\camel\data\send\test\org\enc?fileName=${file:onlyname}.dec"/>
	<unmarshal ref="aes-256-cbc-encryption"/>
	<to
uri="file:E:\log\camel\data\send\test\org\enc?fileName=${file:onlyname}.enc"/>
</route>


<bean id="aesCbcKey"
class="org.apache.camel.converter.crypto.SpringCryptoDataFormatTest"
factory-method="getAesCbcKey" />
<bean id="initializationVector"
class="org.apache.camel.converter.crypto.SpringCryptoDataFormatTest"
factory-method="getIV" />

On the local pc where activemq is installed, the above test will be
successfully decoded.


-------------------------------------------------------------------------------------------------------
java.io.IOException: javax.crypto.BadPaddingException: Given final block not
properly padded
	at javax.crypto.CipherInputStream.getMoreData(CipherInputStream.java:121)
	at javax.crypto.CipherInputStream.read(CipherInputStream.java:239)
	at javax.crypto.CipherInputStream.read(CipherInputStream.java:215)
	at
org.apache.camel.converter.crypto.CryptoDataFormat.unmarshal(CryptoDataFormat.java:180)
	at
org.apache.camel.processor.UnmarshalProcessor.process(UnmarshalProcessor.java:69)
	at
org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:77)
	at
org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:541)
	at
org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201)
	at org.apache.camel.processor.Pipeline.process(Pipeline.java:120)
	at org.apache.camel.processor.Pipeline.process(Pipeline.java:83)
	at
org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201)
	at
org.apache.camel.component.file.GenericFileConsumer.processExchange(GenericFileConsumer.java:451)
	at
org.apache.camel.component.file.GenericFileConsumer.processBatch(GenericFileConsumer.java:218)
	at
org.apache.camel.component.file.GenericFileConsumer.poll(GenericFileConsumer.java:182)
	at
org.apache.camel.impl.ScheduledPollConsumer.doRun(ScheduledPollConsumer.java:174)
	at
org.apache.camel.impl.ScheduledPollConsumer.run(ScheduledPollConsumer.java:101)
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
	at java.util.concurrent.FutureTask.runAndReset(Unknown Source)
	at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown
Source)
	at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown
Source)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused by: javax.crypto.BadPaddingException: Given final block not properly
padded
	at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:975)
	at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:833)
	at com.sun.crypto.provider.AESCipher.engineDoFinal(AESCipher.java:446)
	at javax.crypto.Cipher.doFinal(Cipher.java:2048)
	at javax.crypto.CipherInputStream.getMoreData(CipherInputStream.java:118)
	... 22 more
-------------------------------------------------------------------------------------------------------


It is an error that occurs when the key used for encryption differs from the
key used for decryption.

If so, how should I pass the secret key when encrypting / decrypting using
camel?
Is it included in the header? Or does the message itself contain a secret
key?

I have not been able to solve it for a few days.
I look forward to your kind reply.



Java source is
-------------------------------------------------------------------------------------------------------

public class SpringCryptoDataFormatTest{

    private static Key aesCbcKey;
    
    static {
        try {
            KeyGenerator generator = KeyGenerator.getInstance("AES");
            aesCbcKey = generator.generateKey();
        } catch (NoSuchAlgorithmException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }


    @Test
    public void test() throws Exception {
    	Main main = new Main();
		
main.setApplicationContextUri("/org/apache/camel/component/crypto/SpringCryptoDataFormatTest.xml");
        
        main.start();
        
        // Sleep to allow time to copy the files etc.
        Thread.sleep(30 * 1000);
        main.stop();
    }
    
   
    public static Key getAesCbcKey() {
		return aesCbcKey;
	}

	public static byte[] getIV() throws UnsupportedEncodingException {
		 byte[] iv = {24, 23, 25, 93, 24, -14, -110, -97, -27, -73, -1, 77, 64,
58, 15, -23};
		 return iv;
    }

}
-------------------------------------------------------------------------------------------------------




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